| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.02 | 2.64 | -0.62 |
| Feb | 1.46 | 1.90 | -0.44 |
| Mar | 1.75 | 1.89 | -0.14 |
| Apr | 1.40 | 1.49 | -0.09 |
| May | 1.21 | 1.30 | -0.09 |
| Jun | 1.00 | 1.15 | -0.15 |
| Jul | 0.54 | 0.57 | -0.03 |
| Aug | 0.58 | 0.62 | -0.04 |
| Sep | 0.97 | 0.96 | 0.01 |
| Oct | 1.87 | 1.82 | 0.05 |
| Nov | 2.97 | 3.15 | -0.18 |
| Dec | 2.49 | 2.85 | -0.36 |
18.26 | 20.34 | -2.08 |